package xyz.mumu233.muxinnetty.service;


import xyz.mumu233.muxinnetty.pojo.Users;

public interface UserService{


    //判断用户名是否存在
    boolean queryUsernameIsExist(String username);

    Users queryUserForLogin(String username, String pwd);
    //注册
    Users save(Users users);

    Users updateUserInfo(Users u);

    Users updateUserNickNmae(Users users);
}
